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Making a complaint

We are currently experiencing high demand for our services and there may some delays in processing complaints. We apologise for any inconvenience.

How to resolve a complaint

Step 1: Contact your telecommunications service provider

  • Before we can consider your complaint, the telecommunications service provider must have been given an opportunity to resolve the complaint.
  • You must contact the telecommunications service provider's consumer complaints area first to discuss the issue and see if it can be resolved quickly.

Contact your service provider

Step 2: Submit a new complaint with us

  • If the complaint remains unresolved after you have made a complaint to the telecommunications service provider, you can lodge a complaint with us.

Submit a new complaint

Step 3: Update your existing complaint

  • Once you have submitted your complaint, you can use the Update your complaint form to tell us about any developments with your complaint. All you need is your reference number, your name and address.
  • If you want to send us any attachments, please email the documents to tio@tio.com.au or send them to us by post or fax.

Update your complaint


Privacy information

Important information before you start:

  • Please be aware that we will provide the information you give us to the telecommunications service provider involved with your complaint. For more information see the TIO's privacy policy.

Customer service

Case Study - Customer Service

A man contacted us because he had made a payment twice by mistake. Each time he called the service provider he had to explain his situation again as if it was the first time.

Next step?

  • make an online complaint
  • 1800 062 058
  • WritePO Box 276
    Collins Street West Vic 8007
  • VisitLevel 3, 595 Collins Street
    Melbourne
  • TTY1800 675 692
    National Relay ServiceCall on 1800 555 677 then ask for 1800 062 058
  • Fax our consumer complaint form to 1800 630 614